Ubuntu 14.04 Upgrade GCC 4.8 to GCC 5.x

Brief introduction

Some of the software is newer and requires a higher GCC version, so you need to upgrade GCC. Compiling and installing is time consuming, so it is good to choose bin package directly.

Steps

Add source

1 sudo add-apt-repository ppa:ubuntu-toolchain-r/test2sudo apt-get update

Install dependent packages (this is required if an error occurs)

1 sudo Install Software-properties-common

Upgrade Installation

1 sudo Install gcc-5 g++-5

Update link

1 sudo ln -s/usr/bin/gcc-5 /usr/bin/gcc -f2sudoLn -s/usr/bin/g++-5 /usr/bin/g++-F

View version

Reference

Http://www.cnblogs.com/BlackStorm/p/5183490.html

Http://www.cnblogs.com/loveidea/p/4384837.html

Ubuntu 14.04 Upgrade GCC 4.8 to GCC 5.x